Guankou, upper bed 28 (Cambrian of China)

Where: Henan, China (34.6° N, 113.0° E: paleocoordinates 4.9° S, 145.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bailiella-Lioparia trilobite zone, Hsuchuang Formation, Taijangian (509.0 - 504.5 Ma)

• samples H2057-17, -18, -19 of bed 28 (25.16 m thick)

• bed-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone and lithified shale

• N China Platform
• dark grey thin-bedded argillaceous limestone, yellowish green shale intercalated with argillaceous limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: W. Zhang, L. Xiang, Y. Liu and X. Meng. 1995. Cambrian stratigraphy and trilobites from Henan. Palaeontologia Cathayana 6:1-166 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129014: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Conocoryphidae
Bailiella lantenoisi Mansuy 1916 trilobite
 Ptychopariida - Proasaphiscidae
Manchuriella sp. Resser and Endo 1935 trilobite